<template>
    <div class="app-container">
    
        <!--查询表单-->
        <el-form :inline="true" class="demo-form-inline">
        <el-form-item>
            <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
        </el-form-item>

        <el-form-item>
            <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
            <el-option :value="1" label="高级讲师"/>
            <el-option :value="2" label="首席讲师"/>
            </el-select>
        </el-form-item>

        <el-form-item label="添加时间">
            <el-date-picker
            v-model="teacherQuery.begin"
            type="datetime"
            placeholder="选择开始时间"
            value-format="yyyy-MM-dd HH:mm:ss"
            default-time="00:00:00"
            />
        </el-form-item>
        <el-form-item>
            <el-date-picker
            v-model="teacherQuery.end"
            type="datetime"
            placeholder="选择截止时间"
            value-format="yyyy-MM-dd HH:mm:ss"
            default-time="00:00:00"
            />
        </el-form-item>

        <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
        <el-button type="default" @click="resetData()">清空</el-button>
        </el-form>

        <!-- 表格 -->
        <el-table :data="list" border fit highlight-current-row>

            <el-table-column label="序号" width="70" align="center">
                <template slot-scope="scope">
                {{ (page - 1) * limit + scope.$index + 1 }}
                </template>
            </el-table-column>

            <el-table-column prop="name" label="名称" width="80" />

            <el-table-column label="头衔" width="80">
                <template slot-scope="scope">
                {{ scope.row.level===1?'高级讲师':'首席讲师' }}
                </template>
            </el-table-column>

            <el-table-column prop="intro" label="资历" />

            <el-table-column prop="gmtCreate" label="添加时间" width="160"/>

            <el-table-column prop="sort" label="排序" width="60" />

            <el-table-column label="操作" width="200" align="center">
                <template slot-scope="scope">
                    <router-link :to="'/teacher/edit/'+scope.row.id">
                        <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
                    </router-link>
                    <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除</el-button>
                </template>
            </el-table-column>
        </el-table>

        <!-- 分页 -->
        <el-pagination :current-page="page" :page-size="limit" :total="total"
        style="padding: 30px 0; text-align: center;" layout="total, prev, pager, next, jumper"
        @current-change="getList"/>

    </div>
</template>

<script>
import teacher from '@/api/edu/teacher'

export default ({
    data() {          //定义变量和初始值
      return{
          list:null,  //查询之后接口返回的结果
          page:1,       //当前页
          limit:5,      //每页记录数
          total:0,        //总记录数
          teacherQuery:{}     //条件封装对象
      }  
    },
    created(){   //页面渲染之前执行，一般调用methods定义的方法
        this.getList()
    },
    methods:{    //创建具体的方法，调用teacher.js定义的方法
        //讲师列表的方法
        getList(page=1){
            this.page = page
            teacher.getTeacherListPage(this.page,this.limit,this.teacherQuery)
                .then(response=>{
                   this.list = response.data.records
                   this.total = response.data.total
                })
                .catch(err=>{
                    console.log(err)
                })
        },
        resetData(){  //清空的方法
            //表单输入项数据清空
            this.teacherQuery = {}
            //查询所有讲师数据
            this.getList()
        },
        //删除讲师的方法
        removeDataById(id){
            this.$confirm('此操作将永久删除该老师, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(() => {
                //调用删除方法
                teacher.deleteTeacherId(id)
                    .then(response=>{
                        //删除成功提示信息
                        this.$message({
                            type: 'success',
                            message: '删除成功!'
                        });
                        //回到列表页面
                        this.getList()
                    })
                      
            })
        }
       
    }
})
</script>


